-67.11% is the change from 304 to 100
Calculation steps:
[( 100 - 304 ) ÷ 304] x 100 = -67.11%
Formula
Percentage change = [(100 - 304) / 304] x 100
Subtract the new number by the original number
100 - 304 = -204
-204 ÷ 304 = -0.6710526315789473
-0.6710526315789473 x 100 = -67.11%